Which of the Following Statements About Biogeochemical Cycling Is Correct

question 20

Multiple Choice

Which of the following statements about biogeochemical cycling is correct?

• A)The phosphorus cycle includes the recycling of atmospheric phosphorus gas.
• B)The phosphorus cycle involves the weathering of rocks of marine origin.
• C)The carbon cycle incorporates carbon dioxide produced from photosynthesis.
• D)The carbon cycle always maintains a constant level of atmospheric CO_2.

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Definitions:

Natural Phenomena

Events or physical occurrences in the natural world that are not influenced by human beings.

Empirical

Relies on, deals with, or can be proven through watching or undergoing something firsthand rather than through theoretical or strictly logical means.

Comparative

Involving the assessment or analysis of similarities and differences between two or more entities.